A. J. P. v. d. BROEK: “On the influence of radio-active elements on 
the development”. 
v8 Ro. 26 
dliet JITeL Gun 
Jz 
On this, plate are shown the minimum- and maximum-length of tadpoles 
from different solutions of uraniumsalt at various data. The fourth row from 
above are tadpoles fed with rice, the fifth (last) row are tadpoles fed with piscidine. 
